\begin{table}[h]
\centering
\caption{Response time in milliseconds per entity}\label{t:}
\begin{tabular}{ccccccc}
\toprule
&&\textbf{Baseline} & \textbf{Solution1} & \textbf{Solution2} & \textbf{Solution3} & \textbf{Solution4}\\
\midrule
\multirow{3}{*}{\textbf{insert}} & \textbf{s} & 0.366 (0.082) & 0.568 (0.031) & 0.820 (0.091) & 2.108 (0.052) & 0.364 (0.017)\\
 & \textbf{c} & 0.352 (0.051) & 0.547 (0.044) & 0.803 (0.046) & 2.092 (0.060) & 0.351 (0.012)\\
 & \textbf{e} & 0.305 (0.013) & 1.239 (0.036) & 1.405 (0.022) & 3.484 (0.048) & 0.936 (0.013)\\
\midrule
\multirow{3}{*}{\textbf{update}} & \textbf{s} & 0.730 (0.161) & 19.144 (0.389) & 20.840 (0.426) & 46.394 (0.729) & 14.997 (0.366)\\
 & \textbf{c} & 0.759 (0.056) & 5.810 (0.498) & 5.991 (0.268) & 10.419 (0.296) & 4.751 (0.284)\\
 & \textbf{e} & 0.404 (0.027) & 1.353 (0.029) & 1.500 (0.024) & 3.579 (0.050) & 1.031 (0.013)\\
\midrule
\multirow{3}{*}{\textbf{delete}} & \textbf{s} & 0.314 (0.027) & 7.425 (0.439) & 10.533 (0.414) & 26.023 (0.553) & 5.638 (0.362)\\
 & \textbf{c} & 0.287 (0.048) & 2.037 (0.078) & 2.367 (0.085) & 3.958 (0.118) & 1.964 (0.086)\\
 & \textbf{e} & 0.290 (0.027) & 0.410 (0.017) & 0.744 (0.023) & 2.132 (0.042) & 0.299 (0.016)\\
\bottomrule
\end{tabular}
\end{table}



\begin{table}[h]
\centering
\caption{Response time ratio}\label{t:}
\begin{tabular}{ccccccc}
\toprule
&&\textbf{Baseline} & \textbf{Solution1} & \textbf{Solution2} & \textbf{Solution3} & \textbf{Solution4}\\
\midrule
\multirow{3}{*}{\textbf{insert}} & \textbf{s} & 0.37 & 1.55 & 2.24 & 5.76 & 0.99\\
 & \textbf{c} & 0.35 & 1.56 & 2.28 & 5.95 & 1.00\\
 & \textbf{e} & 0.31 & 4.06 & 4.61 & 11.42 & 3.07\\
\midrule
\multirow{3}{*}{\textbf{update}} & \textbf{s} & 0.73 & 26.21 & 28.53 & 63.51 & 20.53\\
 & \textbf{c} & 0.76 & 7.66 & 7.90 & 13.74 & 6.26\\
 & \textbf{e} & 0.40 & 3.35 & 3.71 & 8.86 & 2.55\\
\midrule
\multirow{3}{*}{\textbf{delete}} & \textbf{s} & 0.31 & 23.61 & 33.50 & 82.76 & 17.93\\
 & \textbf{c} & 0.29 & 7.09 & 8.24 & 13.78 & 6.84\\
 & \textbf{e} & 0.29 & 1.41 & 2.57 & 7.36 & 1.03\\
\bottomrule
\end{tabular}
\end{table}






\begin{table}[h]
\centering
\caption{Throughput in entities per second}\label{t:}
\begin{tabular}{ccccccc}
\toprule
&&\textbf{Baseline} & \textbf{Solution1} & \textbf{Solution2} & \textbf{Solution3} & \textbf{Solution4}\\
\midrule
\multirow{3}{*}{\textbf{insert}} & \textbf{s} & 2790 (291) & 1764 (85) & 1228 (82) & 475 (12) & 2755 (125)\\
 & \textbf{c} & 2880 (264) & 1837 (112) & 1250 (69) & 478 (13) & 2856 (96)\\
 & \textbf{e} & 3282 (116) & 807 (22) & 712 (11) & 287 (4) & 1069 (15)\\
\midrule
\multirow{3}{*}{\textbf{update}} & \textbf{s} & 1394 (121) & 52 (1) & 48 (1) & 22 (0) & 67 (2)\\
 & \textbf{c} & 1325 (97) & 173 (14) & 167 (7) & 96 (3) & 211 (12)\\
 & \textbf{e} & 2483 (119) & 739 (15) & 667 (11) & 279 (4) & 970 (12)\\
\midrule
\multirow{3}{*}{\textbf{delete}} & \textbf{s} & 3198 (205) & 135 (8) & 95 (4) & 38 (1) & 178 (11)\\
 & \textbf{c} & 3574 (567) & 492 (19) & 423 (15) & 253 (7) & 510 (21)\\
 & \textbf{e} & 3470 (206) & 2443 (95) & 1346 (44) & 469 (9) & 3351 (167)\\
\bottomrule
\end{tabular}
\end{table}



\begin{table}[h]
\centering
\caption{Throughput ratio}\label{t:}
\begin{tabular}{ccccccc}
\toprule
&&\textbf{Baseline} & \textbf{Solution1} & \textbf{Solution2} & \textbf{Solution3} & \textbf{Solution4}\\
\midrule
\multirow{3}{*}{\textbf{insert}} & \textbf{s} & 2790 & 0.63 & 0.44 & 0.17 & 0.99\\
 & \textbf{c} & 2880 & 0.64 & 0.43 & 0.17 & 0.99\\
 & \textbf{e} & 3282 & 0.25 & 0.22 & 0.09 & 0.33\\
\midrule
\multirow{3}{*}{\textbf{update}} & \textbf{s} & 1394 & 0.04 & 0.03 & 0.02 & 0.05\\
 & \textbf{c} & 1325 & 0.13 & 0.13 & 0.07 & 0.16\\
 & \textbf{e} & 2483 & 0.30 & 0.27 & 0.11 & 0.39\\
\midrule
\multirow{3}{*}{\textbf{delete}} & \textbf{s} & 3198 & 0.04 & 0.03 & 0.01 & 0.06\\
 & \textbf{c} & 3574 & 0.14 & 0.12 & 0.07 & 0.14\\
 & \textbf{e} & 3470 & 0.70 & 0.39 & 0.14 & 0.97\\
\bottomrule
\end{tabular}
\end{table}






